Search a number
-
+
1344053641 = 7192007663
BaseRepresentation
bin101000000011100…
…1010000110001001
310110200001222222111
41100013022012021
510223034204031
6341211422321
745210160510
oct12007120611
93420058874
101344053641
1162a757437
123161549a1
131855c0918
14ca70b677
157cee31b1
hex501ca189

1344053641 has 4 divisors (see below), whose sum is σ = 1536061312. Its totient is φ = 1152045972.

The previous prime is 1344053617. The next prime is 1344053651. The reversal of 1344053641 is 1463504431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-1344053641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344053651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96003825 + ... + 96003838.

It is an arithmetic number, because the mean of its divisors is an integer number (384015328).

Almost surely, 21344053641 is an apocalyptic number.

It is an amenable number.

1344053641 is a deficient number, since it is larger than the sum of its proper divisors (192007671).

1344053641 is an equidigital number, since it uses as much as digits as its factorization.

1344053641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192007670.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1344053641 is about 36661.3371414628. The cubic root of 1344053641 is about 1103.5843520488.

It can be divided in two parts, 13440 and 53641, that added together give a square (67081 = 2592).

The spelling of 1344053641 in words is "one billion, three hundred forty-four million, fifty-three thousand, six hundred forty-one".

Divisors: 1 7 192007663 1344053641